CN113970434A - Ball hinge three-way loading fatigue test device - Google Patents
Ball hinge three-way loading fatigue test device Download PDFInfo
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- CN113970434A CN113970434A CN202111250272.3A CN202111250272A CN113970434A CN 113970434 A CN113970434 A CN 113970434A CN 202111250272 A CN202111250272 A CN 202111250272A CN 113970434 A CN113970434 A CN 113970434A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The application belongs to the technical field of ball pivot fatigue test, concretely relates to ball pivot three-dimensional loading fatigue test device, include: a support having a support hole thereon; the torsion loading shaft penetrates through the support hole, one end of the torsion loading shaft is connected to the spherical hinge rod of the spherical hinge, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft to rotate so as to apply torsion load to the ball hinge; the outer ring of the switching bearing is connected to the outer ring of the spherical hinge; one end of the radial loading rod is connected with the inner ring of the adapter bearing, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing so as to apply radial load to the ball hinge; the deflection loading piece is connected with the outer ring of the switching bearing and is connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading piece to deflect so as to apply deflection load to the spherical hinge.
Description
Technical Field
The application belongs to the technical field of ball hinge fatigue tests, and particularly relates to a ball hinge three-way loading fatigue test device.
Background
The metal rubber ball hinge can be used for transferring complex loads in multiple directions such as radial direction, axial direction, torsion, deflection and the like, can reduce impact and vibration loads in the load transfer process, and has wide application in engineering.
In order to verify the service life of the spherical hinge, a spherical hinge fatigue test is designed, wherein a radial load along the Z-axis direction, a torsional load around the X-axis direction and a deflection load around the Z-axis direction are required to be applied to the spherical hinge in the spherical hinge fatigue test, as shown in fig. 1.
The fatigue test is carried out on the ball-and-socket joint by the current fatigue test device, and the following defects exist:
1) interference exists among radial load applied to the spherical hinge along the Z-axis direction, torsion load around the X-axis direction and deflection load around the Z-axis direction, the radial load, the torsion load and the deflection load are difficult to be applied simultaneously, the stress state of the spherical hinge during working cannot be accurately restored, and effective test results are difficult to obtain;
2) the radial load applied to the ball hinge along the Z-axis direction, the torsion load around the X-axis direction and the deflection load around the Z-axis direction have mutual influence, so that the radial load, the torsion load and the deflection load are difficult to accurately apply, and the accuracy of a test result is not ensured enough.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
The present application is directed to a ball-and-socket joint three-way loading fatigue testing apparatus to overcome or alleviate at least one of the known disadvantages.
The technical scheme of the application is as follows:
a ball-and-socket three-way loading fatigue test device comprises:
a support having a support hole thereon;
the torsion loading shaft penetrates through the support hole, one end of the torsion loading shaft is connected to the spherical hinge rod of the spherical hinge, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft to rotate so as to apply torsion load to the ball hinge;
the outer ring of the switching bearing is connected to the outer ring of the spherical hinge;
one end of the radial loading rod is connected with the inner ring of the adapter bearing, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing so as to apply radial load to the ball hinge;
the deflection loading piece is connected with the outer ring of the switching bearing and is connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading piece to deflect so as to apply deflection load to the spherical hinge.
According to at least one embodiment of the present application, in the above ball-and-socket three-way loading fatigue testing apparatus, there are a plurality of support holes, and a bearing is disposed between each support hole and the torsion loading shaft.
According to at least one embodiment of the present application, in the above ball-hinge three-way loading fatigue testing apparatus, the torsion loading shaft is disposed through the ball-hinge rod;
the ball pivot three-way loading fatigue test device still includes:
and the torsion loading angle sensor is connected to the support and is connected with one end of the torsion loading shaft, which is back to the torsion loading driving mechanism.
According to at least one embodiment of the present application, in the above ball-and-socket three-way loading fatigue testing apparatus, the torsion loading driving mechanism includes:
one end of the torsion loading driving rocker arm is connected with one end of the torsion loading shaft, which is back to the spherical hinge;
the torsion loading driving actuating cylinder is hinged with the other end of the torsion loading driving rocker arm so as to drive the torsion loading shaft to rotate through the torsion loading driving rocker arm.
According to at least one embodiment of the present application, in the above ball-and-socket three-way loading fatigue testing apparatus, the radial loading driving mechanism includes:
and the radial loading driving actuating cylinder is connected with one end of the radial loading rod, which is back to the adapter bearing, so as to apply push-pull force to the adapter bearing.
According to at least one embodiment of the present application, in the above ball-hinge three-way loading fatigue testing apparatus, the deflection loading piece is connected between the outer ring of the ball hinge and the outer ring of the adapter bearing.
According to at least one embodiment of the present application, in the above ball-joint three-way loading fatigue testing apparatus, the deflection loading driving mechanism includes:
and the deflection loading driving actuating cylinder is connected to the deflection loading plate so as to drive the deflection loading plate to deflect.
According to at least one embodiment of the present application, the above-mentioned ball-and-socket three-way loading fatigue testing apparatus has a deflection loading displacement sensor on the deflection loading driving actuator cylinder.
According to at least one embodiment of the present application, in the above ball-and-socket three-way loading fatigue testing apparatus, there are two deflection loading driving actuators, and each deflection loading driving actuator is correspondingly connected to one end of a deflection loading plate so as to cooperatively drive the deflection loading plate to deflect.
According to at least one embodiment of the present application, the above ball-joint three-way loading fatigue testing apparatus further includes:
the bracket is connected to the support and is provided with a displacement restriction hole; the radial loading rod penetrates through the displacement restriction hole.
Drawings
FIG. 1 is a schematic illustration provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of a ball-and-socket joint three-way loading fatigue testing device provided by an embodiment of the present application;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic partial structural diagram of a ball-and-socket joint three-way loading fatigue testing device provided by an embodiment of the present application;
wherein:
1-a support; 2-torsion loading shaft; 3-spherical hinge; 4-a transfer bearing; 5-a radial loading rod; 6-deflection loading piece; 7-torsion loading angle sensor; 8-torsion loading driving rocker arm; 9-torsion loading drive ram; 10-radial loading drive ram; 11-torsion loading drive ram; 12-bracket.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 4.
A ball-and-socket three-way loading fatigue test device comprises:
a support 1 having a support hole thereon;
the torsion loading shaft 2 penetrates through the support hole, one end of the torsion loading shaft is connected to the spherical hinge rod of the spherical hinge 3, and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft 2 to rotate so as to apply torsion load to the spherical hinge 3;
the adapter bearing 4 can be a tapered roller bearing, and the outer ring of the adapter bearing is connected to the outer ring of the spherical hinge 3;
one end of the radial loading rod 5 is connected with the inner ring of the adapter bearing 4, and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing 4 so as to apply radial load to the spherical hinge 3;
the deflection loading piece 6 is connected with the outer ring of the switching bearing 4 and is connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading piece 6 to deflect so as to apply deflection load to the spherical hinge 3.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that the radial load of the ball hinge 3 along the Z-axis direction, the torsion load around the X-axis direction, and the deflection load around the Z-axis direction can be simultaneously applied, so as to avoid interference, accurately restore the stress state of the ball hinge 3 during operation, and perform an effective fatigue test on the ball hinge 3 to obtain an effective test result.
In some optional embodiments, in the above ball-and-socket three-way loading fatigue testing apparatus, there are a plurality of support holes, and a bearing is disposed between each support hole and the torsion loading shaft 2.
In some optional embodiments, in the above ball-hinge three-way loading fatigue testing apparatus, the torsion loading shaft 2 is disposed through the ball-hinge rod;
the ball pivot three-way loading fatigue test device still includes:
and the torsion loading angle sensor 7 is connected to the support 1 and is connected with one end of the torsion loading shaft 2, which is back to the torsion loading driving mechanism.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that, under the condition that a radial load is applied to the ball hinge 3 along the Z-axis direction, a large friction force is generated between the torsion loading shaft 2 and the support hole, and it is difficult to ensure the accuracy of applying a torsion load to the ball hinge 3 around the X-axis direction through the torsion loading shaft 2, the torsion loading angle sensor 7 is designed to be connected between the support 1 and one end of the torsion loading shaft 2 facing away from the torsion loading driving mechanism, and the magnitude of the torsion load applied to the ball hinge 3 around the X-axis direction by the torsion loading angle sensor 2 can be controlled by the feedback angle of the torsion loading angle sensor 7, so as to ensure the accurate application of the torsion load to the ball hinge 3 around the X-axis direction, thereby ensuring the accuracy of the test result.
In some optional embodiments, in the above ball-and-socket three-way loading fatigue testing apparatus, the torsion loading driving mechanism includes:
one end of the torsion loading driving rocker arm 8 is connected with one end of the torsion loading shaft 2, which is back to the spherical hinge 3;
and the torsion loading driving actuating cylinder 9 is hinged with the other end of the torsion loading driving rocker arm 8 so as to drive the torsion loading shaft 2 to rotate through the torsion loading driving rocker arm 8.
In some optional embodiments, in the above ball-and-socket three-way loading fatigue testing apparatus, the radial loading driving mechanism includes:
the radial loading drive ram 10 is connected to the end of the radial loading rod 5 facing away from the adapter bearing 4 to be able to apply a push-pull force to the adapter bearing 4.
In some alternative embodiments, in the above-described ball-hinge three-way loading fatigue testing apparatus, the deflection loading piece 6 is connected between the outer ring of the ball hinge 3 and the outer ring of the adapter bearing 4.
In some optional embodiments, in the above ball-and-socket three-way loading fatigue testing apparatus, the deflection loading driving mechanism includes:
the deflection loading driving actuator 11 is connected to the deflection loading plate 6 to be able to drive the deflection loading plate 6 to deflect.
In some alternative embodiments, the above-mentioned apparatus for testing fatigue of ball-and-socket three-way loading comprises a deflection loading displacement sensor on the deflection loading driving actuator 11.
For the ball hinge three-way loading fatigue test device disclosed in the above embodiment, it can be understood by those skilled in the art that, under the condition that a radial load is applied to the ball hinge 3 along the Z-axis direction, the accuracy of applying a deflection load to the ball hinge 3 around the Z-axis direction through the deflection loading piece 6 can be affected, a deflection loading displacement sensor is arranged on the deflection loading driving actuator cylinder 11, the magnitude of applying a deflection load to the ball hinge 3 around the Z-axis direction by the deflection loading piece 6 can be controlled through feedback displacement of the deflection loading displacement sensor arranged on the deflection loading driving actuator cylinder 11, and the accurate application of applying a deflection load to the ball hinge 3 around the Z-axis direction is ensured, so that the accuracy of a test result is ensured.
In some alternative embodiments, in the above-mentioned ball-and-socket three-way loading fatigue testing apparatus, two deflection loading driving actuators 11 are provided, and each deflection loading driving actuator 11 is correspondingly connected to one end of the deflection loading plate 6 so as to cooperatively drive the deflection loading plate 6 to deflect.
In some optional embodiments, the above ball-and-socket three-way loading fatigue testing apparatus further includes:
the bracket 12 is connected to the support 1 and is provided with a displacement restriction hole; the radial loading rod 5 penetrates through the displacement restriction hole to restrict the positions of the radial loading rod 5, the radial loading driving mechanism of the radial loading rod, the deflection loading piece 6 and the deflection loading driving mechanism, so that the radial load of the spherical hinge 3 along the Z-axis direction and the deflection load around the Z-axis direction are ensured, and the accuracy of a test result is ensured.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. The utility model provides a ball pivot three-dimensional loading fatigue test device which characterized in that includes:
the support (1) is provided with a support hole;
the torsion loading shaft (2) penetrates through the support hole, one end of the torsion loading shaft is connected to a spherical hinge rod of the spherical hinge (3), and the other end of the torsion loading shaft is connected with the torsion loading driving mechanism; the torsion loading driving mechanism can drive the torsion loading shaft (2) to rotate so as to apply torsion load to the spherical hinge (3);
the switching bearing (4) is connected with the outer ring of the spherical hinge (3);
one end of the radial loading rod (5) is connected with the inner ring of the adapter bearing (4), and the other end of the radial loading rod is connected with the radial loading driving mechanism; the radial loading driving mechanism can apply push-pull force to the adapter bearing (4) so as to apply radial load to the spherical hinge (3);
the deflection loading piece (6) is connected with the outer ring of the switching bearing (4) and is connected with the deflection loading driving mechanism; the deflection loading driving mechanism can drive the deflection loading piece (6) to deflect so as to apply deflection load to the spherical hinge (3).
2. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the number of the supporting holes is multiple, and a bearing is arranged between each supporting hole and the torsion loading shaft (2).
3. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the torsion loading shaft (2) penetrates through the spherical hinge rod;
the ball pivot three-way loading fatigue test device further comprises:
and the torsion loading angle sensor (7) is connected to the support (1) and is connected with one end of the torsion loading shaft (2) back to the torsion loading driving mechanism.
4. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the torsion loading drive mechanism includes:
one end of the torsion loading driving rocker arm (8) is connected with one end of the torsion loading shaft (2) back to the spherical hinge (3);
and the torsion loading driving actuating cylinder (9) is hinged with the other end of the torsion loading driving rocker arm (8) so as to drive the torsion loading shaft (2) to rotate through the torsion loading driving rocker arm (8).
5. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the radial loading drive mechanism includes:
a radial loading drive ram (10) connected to the end of the radial loading rod (5) facing away from the adapter bearing (4) in order to be able to apply a push-pull force to the adapter bearing (4).
6. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the deflection loading piece (6) is connected between the outer ring of the spherical hinge (3) and the outer ring of the switching bearing (4).
7. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
the deflection loading drive mechanism includes:
a deflection loading drive ram (11) connected to the deflection loading plate (6) to be able to drive the deflection loading plate (6) to deflect.
8. The ball-and-socket joint three-way load fatigue testing apparatus of claim 7,
the deflection loading driving actuating cylinder (11) is provided with a deflection loading displacement sensor.
9. The ball-and-socket joint three-way load fatigue testing apparatus of claim 7,
the deflection loading driving actuating cylinders (11) are two in number, and each deflection loading driving actuating cylinder (11) is correspondingly connected to one end of the deflection loading sheet (6) so as to be capable of cooperatively driving the deflection loading sheet (6) to deflect.
10. The ball-and-socket joint three-way load fatigue testing apparatus of claim 1,
further comprising:
the bracket (12) is connected to the support (1) and is provided with a displacement restriction hole; the radial loading rod (5) penetrates through the displacement restriction hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250272.3A CN113970434A (en) | 2021-10-26 | 2021-10-26 | Ball hinge three-way loading fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250272.3A CN113970434A (en) | 2021-10-26 | 2021-10-26 | Ball hinge three-way loading fatigue test device |
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| Publication Number | Publication Date |
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| CN113970434A true CN113970434A (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250272.3A Pending CN113970434A (en) | 2021-10-26 | 2021-10-26 | Ball hinge three-way loading fatigue test device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963440A (en) * | 2006-11-08 | 2007-05-16 | 株洲时代新材料科技股份有限公司 | Endurance test method and apparatus with rubber ball socket three-direction load |
| CN202149843U (en) * | 2011-07-27 | 2012-02-22 | 株洲时代新材料科技股份有限公司 | Rubber spherical hinge loading fatigue test device |
| CN205280336U (en) * | 2015-12-08 | 2016-06-01 | 济南瑞晟机械有限公司 | Servo ball pivot fatigue testing machine that turns to of electricity liquid |
| CN107179183A (en) * | 2016-03-09 | 2017-09-19 | 株洲时代新材料科技股份有限公司 | Ball pivot three-dimensional loading fatigue test device |
| CN209513285U (en) * | 2019-04-01 | 2019-10-18 | 东风德纳车桥有限公司 | For testing the experimental rig of flexural pivot bushing deflection and torsional direction rigidity |
-
2021
- 2021-10-26 CN CN202111250272.3A patent/CN113970434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963440A (en) * | 2006-11-08 | 2007-05-16 | 株洲时代新材料科技股份有限公司 | Endurance test method and apparatus with rubber ball socket three-direction load |
| CN202149843U (en) * | 2011-07-27 | 2012-02-22 | 株洲时代新材料科技股份有限公司 | Rubber spherical hinge loading fatigue test device |
| CN205280336U (en) * | 2015-12-08 | 2016-06-01 | 济南瑞晟机械有限公司 | Servo ball pivot fatigue testing machine that turns to of electricity liquid |
| CN107179183A (en) * | 2016-03-09 | 2017-09-19 | 株洲时代新材料科技股份有限公司 | Ball pivot three-dimensional loading fatigue test device |
| CN209513285U (en) * | 2019-04-01 | 2019-10-18 | 东风德纳车桥有限公司 | For testing the experimental rig of flexural pivot bushing deflection and torsional direction rigidity |
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